Lab Midterm key terms Flashcards
(27 cards)
what are the 3 components of a skull
splanchnocranium
chondrocranium
dermatocranium
what is the cartilage of shark upper and lower jaw
upper: platoquadrate
lower: Meckel’s cartilage
what is an anapsid
no temporal fenestrae
what is a synapsid
1 pair of temporal fenestrae
what is a diapsid
2 pairs of temporal fenestrae
what is it called when there are no temporal fenestrae
anapsid
what is it called when there is 1 pair of temporal fenestrae
synapsid
what is it called when there are 2 pairs of temporal fenestrae
diapsid
what is a homodont
all teeth are same shape (not necessarily in size)
what is a heterodont
teeth different shape and size
what is a edente
no teeth
what is it called when teeth are all same shape
homodont
what is it called when teeth are different shapes
heterodont
what is it called when no teeth
edente
what does polyphodont mean
teeth replaced repeatedly throughout life
what does diphodont mean
2 generations of teeth
what it it called when teeth are repeatedly replaced
polyphodont
what is it called when there are 2 generations of teeth
diphodont
what is a serodont
blade like teeth
carnivore
what is a lophodont
ridges that run cheek to tongue
herbivore (rodent)
what is a selenodont
ridges run front to back
herbivore (grazer)
what is a bunodont
4 rounded cusps
omnivore
what kind of teeth do carnivores have
serodont
what kind of teeth do rodents have
lophodont
